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require "data.directions"
local Body = require "objects.Body"
local Obstacle = {}
Obstacle.__index = Obstacle
function Obstacle:new(name, location, body)
local obj = {
name = name,
presetLocation = (type(location) == "string" and location) or nil,
x = (type(location) == "table" and location.x) or nil,
y = (type(location) == "table" and location.y) or nil,
body = body or Body:new("rectangle", 50, 50)
}
setmetatable(obj, Obstacle)
return obj
end
function Obstacle:getBorders()
local left = self.x
local right = self.x + self.body.w
local top = self.y
local bottom = self.y + self.body.h
return { left, right, top, bottom }
end
function Obstacle:isMet(body, currentX, currentY, dv, dir)
-- x,y should be the predicted next location of this body
-- dv = speed * dt * direction
local x, y
if dir == Direction.LEFT or dir == Direction.RIGHT then
x = currentX + dv
y = currentY
elseif dir == Direction.UP or dir == Direction.DOWN then
x = currentX
y = currentY + dv
end
return self.body:collide(body, self.x, self.y, x, y)
end
return Obstacle
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